Wing for corn-harvesters.



No. 733,140. PATENTED JULY 7,1903. H. M. BURDIGK.

WING FOR COR-N HARVESTERS.

APPLIOATION FILED APR. 6, 1903. N0 MODEL. 2 slums-SHEET 1.

PATENTED JULY '7, 1903..

H. M. BURDIGK. WING FOR CORN HARVBSTERS.

APPLICATION FILED APR. 6, 1903.

2 SHEETS-SHEET 2.

N0 MODEL.

Iii/61116 JNITED STATES Patented July '7, 1903.

HIRAM M. BURDIOK, OF UTICA, NEW YORK.

WING FOR OORN-HARVESTERS.

SEEGIFICATION forming part of Letters Patent N 0. 733,140, dated July 7,1903.

' Application filed April 6, 1903.

To all whom it may concern.-

Be it known that I, HIRAM M. BURnIcK, a citizen of the United States,residing at Utica, in the county of Oneida and State of New York, haveinvented certain new and useful Improvements in Wings forCorn-Harvesters, of which the following is a specification, ref erencebeing had therein to the accompany ing drawings.

This invention relates to harvesters, and particularly to knife-guardsof corn-harvesters and the like.

Among the objects of the invention are to provide simple and effectivemeans for operating the knife guards, to assemble such means entirelyupon the wings of the machine, to provide a novel foot-treadle formoving the guard, this treadle being of such construction that it isheld in the required position for exposing the knife without anyexertion on the part of the operator and by the foot of the operatorplaced in a natural position flat on the wing, to arrange theguard-operating mechanism in such manner that it is necessary to form arelatively small number of ap ertures in the wing and no slotted openingtherein, no strength of the wing being sacrificed by a multiplicity ofrivet and other holes and slots, and to provide a housing for the studsand slots of the knife-guard which will at all times cover said studsand slot-s whether the guard is in an inward or outward position.

Novel details in the construction and arrangement of the several partsof the device will be apparent from the detail description hereinafterwhen read in connection with the accompanying drawings, forming parthereof, and the appended claims. In the said drawings a preferableembodiment of the invention is disclosed for purposes of illustration,and when referring to the same like reference characters will designatecorresponding parts in the several views, of which Figure 1 is a view ofthe knife-carrying wing attached to a corn-harvester. Fig. 2 is a topview of the wing. Fig. 3 is a bottom View thereof. Fig. 4 is an end viewthereof. Fig. 5 is a sectional view of the treadle, and Fig. 6 is a viewof the housing for the guardslots.

Refcrring more particularly to the draw- Serial No. 151,264. (No model.)

ings, A designates a corn-harvester, to which a Wing 1 is laterally hungin the usual manner by hinge members 2-and 3, suitably fastened,preferably, to the top surface of the wing. One edge of the wing slopesoutwardly and rearwardly from the machine, and along this edge isfastened a knife 4. A foot-treadle 5 is provided on the wing. Thistreadle has a drum 6, with bearings 7 and 8, journaled in bearings at 9and 10, formed in a bracket 11 and in the wing, respectively. Thehearing or part 10 extends through the wing, and the main or larger partof drum 6 stops at and abuts the surfaceof the wing. The bracket 11 isfastened to the top surface of the wing 1, preferably to the hingemember 2, and a bolt 12 passes vertically through the bracket, drum, andwing. A collar 13 is formed at or near the top of the drum 6, and afoot-lever 14 extends therefrom, said lever having a flaring andsomewhat-curved end 15 for convenient engagement by the foot of theoperator. An arm 16, for convenience termed the link-arm, extends frompart 10 near the bottom surface of the wing. Foot-lever 14 and link-arm16 are substantially oppositely disposed with reference to the drum 6. Acoiled spring 17 is disposed around drum 6, one end of the springengaging the projection formed by hinge member 2 and the other endengaging foot-lever 14, and the spring being held on the drum by collar13 and the surface of the wing. The tendency of the spring is to causethe treadle to rotate. On the under surface of the wing and adjacent tothe edge of the knife 4 is placed a knife-guard 18, held by studs 19 andoperating thereon through slots 20. The knifeguard 18 and link-arm 16are operatively connected by a link 21, held thereto by pivotstuds 22and 23, respectively. Adjacent to the end of the link-arm 16 is. ashoulder 24, and pivot-stud 23 is located on said link-arm at a pointmore removed from the end thereof than said shoulder. Spring 17 tends tocause the foot-lever 14 and link-arm 16 to swing around; but theshoulder 24, engaging link 21, stops such movement when link-arm 16 andlink 21 are thrown practically as far as possible in the direction ofthe guard 18, and said guard is in its outward or guarding position.This is the normal position of the guard and its attendant operatingmechanism. The guard is withdrawn and the knife exposed byswingingfoot-lever14inwardly,thus

operating link-arm 16 and link 21, connected to the guard. Theconstruction and arrangement of link 21, pivot-stud 23, and shoulder 24relative to each other are such that the movement of said link-arm byspring 17 is stopped by said shoulder when said arm is swung aroundslightlybeyond astraight line between drum 6 and pivot-stud 22 on theguard 18. Itwillthusbeseenthatmeansareprovided for doubly locking guard18 in its outward or guarding position. The guard would not only beprevented from receding upon sustaining any impact in the direction ofthe knife by tension of the spring 17, holding shoulder 24 against link21, and thereby the guard in its outward position, but said linkarm andlink being held beyond a straight line by said spring, as described,such an impact would tend to increase the safety of the locked positionin that it would increase the pressure between said shoulder and saidlink.

In order to protect studs 19 and slots 20 from injury and from beingfouled during operation of the machine, housings 25 are providedtherefor. These housings are fastened to guard 18 in any suitablemanner, as by lugs 26, engaged by screws 27, and they completely coverthe slots and studs and move over the studs as the guard is moved. Thehousings are preferably made of metal and are of substantially dishshape, the edges thereof bearing against the guard to which they areattached.

The machine to which such wings as described hereinbefore are attached,one on each side, beingin operation, the knives thereof extend to cuttwo rows at a time. An operator is stationed on each side of the machineto support the stalks as the knives strike them and to draw them back,so that the butts rest on the wings. To withdraw the guard and exposethe knife, the foot-lever 14 is swung inwardly by the foot, thus movingthe guard-operating mechanism in an obvious manner, as described, andthe foot is placed flat on the wing against the raised projection formedby hinge member 2. When the foot is in this position, it is interposedbetween foot-lever 14. in its inward position and the raised projection,and said foot-lever is therefore held in its desired place,notwithstanding the exertion of the spring 17 to the contrary, by theshoe of the operator. When the foot is removed by reason of the desireof .the operator to stop the cutting operation or should he beaccidentally thrown from the machine, the spring 17 operates to swingthe foot-lever back and throw out the guard and protect the knife.

Having thus described my invention, what I claim as new, and desire tosecure by Letters Patent, is-

1. In a wing for corn-harvesters, a fixed knife, a guard for said knife,a horizontallyoperating treadle, and a link connecting said guard andsaid treadle, substantially as described.

2. In a wing for corn-harvesters, a fixed knife, a guard for said knife,a horizontallyoperatingtreadle,alink connecting said guard and saidtreadle, and a spring operating to extend said guard to its outwardposition,substantially as described.

3. In a wing for corn-harvesters, a fixed knife, a guard for said knife,a horizontallyoperating treadle,a link connecting said guard and saidtreadle, a spring operating to extend said guard to its outwardposition, and means for limiting the movement of saidtreadle,substantially as described.

at. In a wing for corn-harvesters, a fixed knife, a guard for saidknife, a horizontallyoperating treadle having a foot-lever and alink-arm, a link connecting said guard and said treadle, a springoperating to extend said guard to its outward position, and a projectionon said wing for engagement by the foot of the operator when saidfoot-lever is swung to withdraw the guard and expose the knife,substantially as described.

5. In a wing for corn-harvesters, a fixed knife, a guard for said knife,a horizontallyoperating treadle having a foot-lever and a link-arm, alink connecting said guard and said treadle, a spring operating toextend said guard to its outward position, and means for limiting themovement of said treadle, substantially as described.

6. In a wing for corn-harvesters, a fixed knife, a guard for said knife,a horizontallyoperating treadle having a foot-lever and a link-arm, alink connecting said guard and said treadle, a spring operating toextend said guard to its outward position, and a shoulder on saidlink-arm and arranged to engage said link for limiting the movement ofsaid treadle, substantially as described.

7. In a wing for corn-harvesters, a fixed knife, a guard for said knife,a horizontallyoperating treadle having a foot-lever and a link-arm, alink connecting said guard and said treadle, a spring operating toextend said guard to its outward position, and a shoulder on saidlink-arm,said shoulder being arranged to engage said link and stop themovement of said treadle when said link and arm have passed beyond astraight line between the axis of said treadle and the point ofconnection between said link and said guard, substantially as described.a

S. In a wing for corn-harvesters, a fixed knife, a guard for said knife,a link connected to said guard, and a horizontally-operatingfoot-treadle connected to said link and having a foot-lever formed witha flaring and curved end for engagement by the foot of the operator,substantially as described.

9. In a wing for corn-harvesters, a fixed knife, a guard forsaid knife,a link connected to said guard, and a horizontally-operating treadleconnected to said link and having a foot-lever operating adjacent to theupper surface of said wing and a link-arm operating adjacent to theunder surface of said wing, substantially as described.

10. In a wing for corn-harvesters, a fixed knife, a guard for saidknife, a link connected to said guard, and a horizontally-operatingtreadle connected to said link and having an upright drum, a foot-leverconnected to said drum near its upper part, a spring on said drum forgiving motion thereto, a link-arm connected to the lower part of saiddrum, and means on said link-arm for limiting the movement of saidtreadle, substantially as described.

11. In a wing for corn-harvesters, a fixed knife, a guard for saidknife, a link connected to said guard, and a horizontally-operatingtreadle connected to said link and having an upright drum, a foot-leverconnected to said drum near its upper part, a spring on said drum forgiving motion thereto, a link-arm connected to the lower part of saiddrum, and a shoulder on said link-arm and arranged to engage said linkfor limiting the movement of said treadle, substantially as described.

12. In a wing for corn-harvesters, a fixed knife, a guard for said knifehaving slots therein operating on supportingstuds, a housing coveringeach of said slots and its complementary stud and movable with saidguard, a horizontally-operating treadle having a foot-lever and alink-arm, a link connecting said guard and said treadle, a springoperating to extend said guard to its outward position, and a shoulderon said link-arm and arranged to engage said link for limiting themovement of said treadle, substantially as described.

13. In a wing for corn-harvesters, a fixed knife, a guard for said knifehaving slots therein operating on supporting-studs, a dishshaped housingcovering each of said slots and its complementary stud and fastened tosaid guard, a horizontally-operating treadle having a foot-lever and alink-arm, a link connecting said guard and said treadle, a springoperating to extend said guard to its outward position, and ashoulder onsaid link-arm and arranged to engage said link for limiting the movementof said treadle, substantially as described.

14. In a wing for corn-harvesters, a knife, a guard for said knife, ahorizontally-operating treadle, and means connecting said guard and saidtreadle, substantially as described.

15. In a wing for corn-harvesters, a knife, a guard for said knife, ahorizontally-operating treadle, means connecting said guard and saidtreadle, and means operating to extend said guard to its outwardposition, substantially as described.

16. In a wing for corn-harvesters, a knife, a guard forsaid knife, ahorizontally-operating treadle, means connecting said guard and saidtreadle, means operating to extend said guard to its outward position,and means for limiting the movement of said treadle, substantially asdescribed.

17'. In a wing for corn-harvesters, a knife, a guard for said knife, ahorizontally-operating treadle havinga foot-lever and an operating-arm,means connecting said guard and said treadle, means operating to extendsaid guard to its outward position, and a projection on said wing forengagement by the foot of the operator when said foot-lever is swung towithdraw the guard and expose the knife, substantially as described.

18. In a wing for corn-harvesters, a knife, a guard for said knife, ahorizontally-operating treadle, means connecting said guard and saidtreadle,-and a projection on said wing for engagement by the foot of theoperator when said treadle is moved to withdraw the guard and expose theknife, substantially as described.

19. In a wing for corn-harvesters, a knife, a guard for said knife, ahorizontally-operating treadle having a foot-lever and an operating-arm,means connecting said guard and said treadle, means operating to extendsaid guard to its outward position, and means for limiting the movementof said treadle, substantially as described.

20. In a wing for corn-harvesters, a knife, a guard for said knife, ahorizontally-operating treadle having a foot-lever and an operating-arm,means connecting said guard and said treadle, means operating to extendsaid guard to its outward position, and a shoulder on said operating-armand arranged to limit the movement of said treadle, substantially asdescribed.

21. In a wing for corn-harvesters, a knife, a guard forsaid knife, ahorizontally-operating treadle having a foot-lever and an operatingarm,means connecting said guard and said treadle, means operating to extendsaid guard to its outward position, and ashoulderon said operating-arm,said shoulder being arranged to engage the means connecting the treadleand the guard and stop the movement of said. treadle when saidconnecting means and arm have passed beyond a straight line between. theaxis of said treadle and the point of con nection between the connectingmeans and the guard, substantially as described.

22. In a wing for corn-harvesters, a knife, a guard for said knife, ahorizontally-operating foot-treadle having a foot-lever formed with aflaring and curved end for engagement by the foot of the operator, andmeans connecting said guard andsaid treadle, substantially as described.

23. In a wing for corn-harvesters, a knife, a guard for said knife, ahorizontally-operating treadle having a foot-lever operating adjacent tothe upper surface of said wing and another arm operating adjacent to theunder surface of said wing, and means connecting said guard and saidtreadle.

2a. In a wing for corn-harvesters, a knife, a

guard for said knife, a horizontally-operating treadlc having an uprightdrum, afoot-lever connected to said drum near its upper part, means onsaid drum for giving motion thereto, an arm connected to the lower partof said drum, and means connecting said guard and said treadle,substantially as described.

25. In a Wing for corn-harvesters, a knife, a guard for said knifehaving slots therein operating on supporting-studs, a housing coveringeach of said slots and its complementary stud and movable with saidguard, and means connecting said guard and an operatingtreadle,substantially as described.

26. In a Wing for corn-harvesters, a knife, a guard for said knifehaving slots therein op-

